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Diatoms of North America
Practitioners
Morphology
Centric
Araphid
Eunotioid
Symmetric Biraphid
Monoraphid
Asymmetric Biraphid
Epithemioid
Nitzschioid
Surirelloid
Genera
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Glossary
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What are diatoms?
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Return to overview
Images of
Pinnularia
borealis
Ehrenb. 1843
Type Specimen
Slide Number
MDC 39-79
Site ID
MDC 451101
Site Name
Two Medicine Pond, Glacier National Park, MT
Coordinates
48.4931, -113.3650
Scalebar = 10 µm
Slide Number
MDC 30-14
Site ID
MDC 261502
Site Name
Elk Creek, Missoula County, MT
Coordinates
47.4939, -113.7722
Scalebar = 10 µm
Slide Number
MDC 39-79
Site ID
MDC 451101
Site Name
Two Medicine Pond, Glacier National Park, MT
Coordinates
48.4931, -113.3650
Scalebar = 10 µm
Slide Number
MDC 39-79
Site ID
MDC 451101
Site Name
Two Medicine Pond, Glacier National Park, MT
Coordinates
48.4931, -113.3650
Scalebar = 10 µm
Slide Number
MDC 42-45
Site ID
MDC 504601
Site Name
Royal Basin tarn, Jefferson County, WA
Coordinates
47.8222, -123.2194
Scalebar = 10 µm
Slide Number
MDC 28-91
Site ID
MDC 360606
Site Name
Cottonwood Creek, Beaverhead County, MT
Coordinates
44.9425, -112.4294
Scalebar = 10 µm
Slide Number
MDC 42-32
Site ID
MDC 503301
Site Name
Big Indian Creek, Harney County, OR
Coordinates
42.6667, -118.5931
Scalebar = 10 µm